SELECT * FROM question_mgmt as q WHERE id=3641 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=9 AND subId=16 AND chapterId=257 and ex_no='4' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 10th science Life Processes why is it necessary to separate oxygenated and deo

Question:

Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds?

Answer:

Oxygenated blood is pumped throughout the body and takes deoxygenated blood from the various parts of the body to the lungs for the purification of blood from the impure one for the maintenance of the body temperature and to maintain hydrogen ion concentration. As the birds and the mammals posses double circulatory system where pure and the impure blood remains separate. If the both oxygenated and deoxygenated blood got mixed then the whole blood will be impure and then our body will not survive for so long cause of the impure blood. That’s why the separation of oxygenated and deoxygenated blood is necessary.


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